It borders the districts of Fuzuli, Aghjabadi, Zardab, Imishli, and the Ardabil Province of Iran.

According to the other statements, the toponymy is related to the name of the "bel" tribe who lived there at that time.

Traders of the city built relations with China, India, Iran, Georgia and Byzantium through thanks to this geophysical condition.

Reconstruction of Beylagan started by Amir Teymur in the 14th century but after his death works in that territory stopped.

The name of the district was renamed Beylagan with regard to the 1989 dated decree of the Supreme Council of Azerbaijan SSR.

Geographical coordinates are 39°45’ North latitude and 47°30’ West longitude and bordering Agchabadi, Zardab, Imishli, Fuzuli districts and Iran Islamic Republic in the south-east.

Relief is covered by sand, gravel and other sedimentary rocks belong to the Anthropogenic period of the Cenozoic era.

Researches reveal that there are a lot of potable water resources in the Harami plain and they are partly used.

Thus, the area is constantly affected by cyclones and air flows come from tropics and Central Asia.

In the Tugai forests and swamp areas, hedgehogs, wolves, boars, snakes, owls and woodpeckers are found.

Several indigenous species of plants and animals are protected in the Ag-Gol National Reserve where located in both Agchabadi and Beylagan districts.

[4] Archaeological investigations in the district prove that people lived there more than six thousand years ago.

Most of these statues are historical and notable people; Akif Akberov (National Hero of Azerbaijan), Garay Asedov (Hero of the Soviet Union), Hazi Aslanov (Hero of the Soviet Union), Nariman Narimanov (politician), Ilham Guliyev, Ilqar Gurbanov, Gadim Aliyev, Mehdi Mehdizadeh, Namig Allahverdiyev, Nazim Guliyev and Sevil Gaziyeva.

[3] Economy of Beylagan is characterized by agricultural activities especially cotton, vine, grain growing fields.